pointValue method
Implementation
void pointValue(double dx) {
if (!widget.isSelectable) {
return;
}
if (dx >=
widget.size * widget.count + widget.padding * (widget.count - 1)) {
value = widget.maxRating;
} else {
for (double i = 1; i < widget.count + 1; i++) {
if (dx > widget.size * i + widget.padding * (i - 1) &&
dx < widget.size * i + widget.padding * i) {
value = i * (widget.maxRating / widget.count);
break;
} else if (dx > widget.size * (i - 1) + widget.padding * (i - 1) &&
dx < widget.size * i + widget.padding * i) {
value = (dx - widget.padding * (i - 1)) /
(widget.size * widget.count) *
widget.maxRating;
break;
}
}
}
setState(() {
widget.onRatingUpdate(value!.toStringAsFixed(1));
});
}